I am currently subscribed to SuperUnli 599 (Unlimited Calling/Texting to Globe/TM). Now, is it possible to change it to SuperDuo with SuperText or I forgot the name of the promo that has unlimited texting to Globe/TM for a month? Well, I know that's easy to do but I don't wanna be overcharged.

How will I know if my current subscription is about to expire or is already expired? Hopefully it won't auto-renew so that I can subscribe to SuperDuo+SuperText (unlimited texting to Globe/TM).